Hero Fiennes Tiffin Joins Uncle Joseph Fiennes at Their 'Young Sherlock' London Premiere!

Real-life uncle-and-nephew duo Joseph Fiennes and Hero Fiennes Tiffin are promoting their new project together!

Joseph and Hero hit the red carpet for the premiere of their new Prime Video series Young Sherlock on Tuesday (February 24) at Queen Elizabeth Hall in London, England.

Hero is playing the role of a 19-year-old Sherlock Holmes when he was an amateur investigator at Oxford University and Joseph is playing his father Silas Holmes.

For those who don’t know, Hero‘s mother Martha Fiennes is Joseph‘s older sister!